32.3.2001 BRANDS AND EARMARKS
(1) The following (1)(a) and (1)(b) are brands required for import of cattle into Montana:
(a) cattle originating from Mexico must be "M" branded as required by 9 CFR 93.427.
(b) cattle originating from Canada must have a CʌN hot iron brand or tattoo as permanent origin identification. If a brand is used, it must be 2-3 inches tall applied high on the right hip, consistent with VS memo 591.64. If a tattoo is used, it must identify the exporting country with the CʌN letters applied to the inside of the left ear.
(2) The following brands and earmarks owned and registered in the name of the Department of Livestock, Animal Health Division shall be used only for the purpose herein designated and shall not be used on livestock by anyone other than an official representative of the Montana Department of Livestock, Animal Health Division.
(a) Brands and earmarks for cattle:
(i) "T" on right or left jaw designates reactors to the tuberculin test and animals otherwise determined to be affected with tuberculosis.
(ii) "B" on right or left jaw designates reactors to the blood test for brucellosis and cattle otherwise determined to be affected with brucellosis.
(iii) "U" out of bottom of each ear designates calves officially vaccinated with Brucella abortus vaccine.
(iv) "0 - 9" inclusive on right side of neck of calves designating the year in which calves are officially vaccinated with Brucella abortus vaccine. (For example - 8 for 1958, 4 for 1964.)
(v) "0" (hole) in either ear designates adult cattle officially vaccinated with Brucella abortus vaccine.
(vi) "F" on left shoulder designated feeder cattle in a quarantined feedlot.
(vii) "S" on right or left side of neck or ♠ (spade mark) on right or left side of jaw designates officially spayed heifers.
(viii) "S" on left jaw to designate animals exposed to brucellosis.
(ix) "V" on the right tailhead to designate trichomoniasis positive bovines.
(b) Brands and earmarks for sheep:
(i) "S" on right back designated quarantined sheep (imported or quarantined for any purpose.)
(c) Brands and earmarks for horses:
(i) "81A" on left neck or left shoulder, to be used with marks "0 to 99".
(ii) "0 to 99" on left neck to be used with "81A".
History: 81-2-102, 81-2-103, MCA; IMP, 81-2-102, 81-2-103, MCA; Eff. 12/31/72; AMD, 1980 MAR p. 1082, Eff. 3/28/80; AMD, 1983 MAR p. 737, Eff. 7/1/83; AMD, 1996 MAR p. 2300, Eff. 8/23/96; AMD, 2012 MAR p. 1637, Eff. 8/10/12; AMD, 2015 MAR p. 936, Eff. 7/17/15; AMD, 2016 MAR p. 2428, Eff. 12/24/16; AMD, 2023 MAR p. 359, Eff. 4/15/23.